218362960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 540340416

約数和(自身を除く): 321977456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 307, 340, 523, 614, 680, 1046, 1228, 1360, 1535, 2092, 2456, 2615, 3070, 4184, 4912, 5219, 5230, 6140, 8368, 8891, 10438, 10460, 12280, 17782, 20876, 20920, 24560, 26095, 35564, 41752, 41840, 44455, 52190, 71128, 83504, 88910, 104380, 142256, 160561, 177820, 208760, 321122, 355640, 417520, 642244, 711280, 802805, 1284488, 1605610, 2568976, 2729537, 3211220, 5459074, 6422440, 10918148, 12844880, 13647685, 21836296, 27295370, 43672592, 54590740, 109181480, 218362960]

約数ペア:

[(1, 218362960), (2, 109181480), (4, 54590740), (5, 43672592), (8, 27295370), (10, 21836296), (16, 13647685), (17, 12844880), (20, 10918148), (34, 6422440), (40, 5459074), (68, 3211220), (80, 2729537), (85, 2568976), (136, 1605610), (170, 1284488), (272, 802805), (307, 711280), (340, 642244), (523, 417520), (614, 355640), (680, 321122), (1046, 208760), (1228, 177820), (1360, 160561), (1535, 142256), (2092, 104380), (2456, 88910), (2615, 83504), (3070, 71128), (4184, 52190), (4912, 44455), (5219, 41840), (5230, 41752), (6140, 35564), (8368, 26095), (8891, 24560), (10438, 20920), (10460, 20876), (12280, 17782)]